منابع مشابه
Why do we hiccup?
Why do we hiccup? Considering the fact that almost everyone experiences hiccups at one time or another, remarkably little is known about them. The name itself is onomatopoeic, which is appropriate considering that the only common understanding of the hiccup is of the characteristic sound. Hiccups can be predictably elicited in some individuals by overindulgence of food, alcohol, or both, someti...
متن کاملWhy do we yawn?
Yawning is a phylogenetically old behaviour that can be observed in most vertebrate species from foetal stages to old age. The origin and function of this conspicuous phenomenon have been subject to speculations for centuries. Here, we review the experimental evidence for each of these hypotheses. It is found that theories ascribing a physiological role to yawning (such as the respiratory, arou...
متن کاملWhy do we yawn?
The biomedical hypothesis proposed here is that the immediate trigger for a yawn is a restricted collapse of a few alveoli in the lungs. The extent of this alveolar collapse may be too small for it to be detected by current X-ray technology, but this technology is continually improving and may soon be good enough to test the hypothesis. In support of the hypothesis, it is shown that yawning can...
متن کاملJNK bond regulation: why do mammalian hearts invest in connexin43?
Large numbers of gap junctions interconnect working myocytes in the ventricle of adult humans.1–5 Until recently, it was assumed that the reason for the abundance of these clusters of intercellular channels was straightforward. This phenomenon was thought to be principally a matter of ensuring that action potentials were conducted efficiently from myocyte to myocyte.6–8 However, it has long bee...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Journal of Investing
سال: 2005
ISSN: 1068-0896,2168-8613
DOI: 10.3905/joi.2005.580551